TABLE 1.

Susceptibilities of 27 F. psychrophilum isolates and mutation of GyrA

Isolate no.a	Host fish	Isolation yr	Isolation locality	MIC (μg/ml)		GyrA mutationb	gyrA accession no.
				NA	OXA
NCIMB1947	Coho salmon	Unknown	United States	1.56	0.2	—	AB158101
FPC826	Coho salmon	1980	United States	0.39	0.1	—	AB158102
FPC828	Coho salmon	1990	Miyagi	3.13	0.39	—	AB158103
FPC840	Ayu	1987	Tokushima	>100	12.5	Thr83-Ala	AB158104
FPC924	Ayu	1992	Wakayama	50	6.25	Thr83-Ala	AB158105
FPC931	Ayu	1993	Hiroshima	25	1.56	Thr83-Ala	AB158106
AA9401	Ayu	1994	Aichi	50	6.25	Thr83-Ala	AB158107
FPC956	Ayu	1994	Shiga	100	12.5	Thr83-Ala	AB158108
YMA9609	Ayu	1996	Yamanashi	3.13	0.78	—	AB158109
GFA9604	Ayu	1996	Gifu	100	12.5	Thr83-Ala	AB158110
KNA9801	Ayu	1997	Kanagawa	50	6.25	Thr83-Ala	AB158111
OKA9806	Ayu	1998	Okayama	100	12.5	Thr83-Ile	AB158112
IP980601	Ayu	1998	Iwate	100	3.13	Thr83-Ala	AB158113
MG980922-1	Ayu	1998	Miyagi	100	6.25	Thr83-Ala	AB158114
YMA980608	Ayu	1998	Yamagata	100	6.25	Thr83-Ala	AB158115
FPC814	Rainbow trout	1991	Tokyo	0.1	0.2	—	AB158116
FPC942	Rainbow trout	1994	Yamagata	1.56	0.78	—	AB158117
YMR9615	Rainbow trout	1996	Yamanashi	3.13	0.78	—	AB158118
OKR9801	Rainbow trout	1998	Okayama	25	3.13	Thr83-Ala	AB158119
OKR9802	Rainbow trout	1998	Okayama	50	6.25	Thr83-Ala	AB158120
FKR9801	Rainbow trout	1998	Fukui	100	25	Asp87-Tyr	AB158121
FPC958	Amago	1994	Tottori	1.56	0.39	—	AB158122
FKM9801	Amago	1998	Fukui	1.56	0.39	—	AB158123
OKM9801	Amago	1998	Okayama	1.56	0.39	—	AB158124
FPC945	Oikawa	1993	Hiroshima	0.78	0.2	—	AB158125
OY99Oik-1	Oikawa	1999	Okayama	1.56	0.39	—	AB158126
YMY9604	Yamame	1996	Yamanashi	3.13	0.78	—	AB158127

^aNCIMB, National Collection of Industrial and Marine Bacteria, Aberdeen, United Kingdom. All strains except the type strain, NCIMB1947, were provided by the bacterial collection of the National Research Institute of Aquaculture, Mie, Japan.

^bDashes indicate that the amino acid sequences were the same as those of the type strain (NCIMB1947).